| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have [been] [v-ing] [prep] | 337 |
|
| 2 | [pron] have [been] [v-ing] to | 294 |
|
| 3 | [Wh pn] have [been] [verb] to | 233 |
|
| 4 | [Wh pn] have [be] [v-ing] to | 26 |
|
| 5 | [Wh pn] [verb] [been] [v-ing] to | 26 |
|
